Relic Entertainment* · Feral Interactive (Mac)* +1*
Warhammer 40,000: Dawn of War III
At a glance
Genres
Play modes
- single-player video game
- multiplayer video game
Game facts
Developers
- Relic Entertainment*
- Feral Interactive (Mac)*
- Feral Interactive (Linux)*
Publishers
- Feral Interactive
- Relic Entertainment*
- Feral Interactive (Mac)*
- Feral Interactive (Linux)*
- Sega*
Engines
- Essence Engine
Platforms
Players by platform
- Microsoft Windows*
- Maximum players (mode unspecified)
- 6*
Content classifications
- ESRB · Microsoft Windows*
- Classification
- M - Mature*
Compatibility and community reports
- Steam Deck*
- Compatibility category
- Playable*
- Steam Deck · 2026-06-27*
- Compatibility category
- Playable*
- Linux · Community reports · 2026-06-27*
- Community Linux compatibility tier
- Gold*
- Reports
- 16*
- Community confidence
- moderate*
System requirements
- Windows · Minimum*
- Operating system
- 64-bit Windows 7 with latest updates*
- Processor alternatives
- 3GHz i3 quad logical core or equivalent*
- Memory
- 4 GB of RAM, 1 GB of VRAM MB RAM*
- Graphics alternatives
- NVIDIA GeForce 460 or AMD Radeon 6950 or equivalent DirectX 11-card*
- Graphics API
- Version 11*
- Network
- Broadband Internet connection*
- Storage
- 50 GB available space*
- Conditions
- Requires a 64-bit processor and operating system · Quad physical core i5 or equivalent recommended for 3vs3 multiplayer. Game requires Internet connection for play and progression.*
- macOS · Minimum*
- Operating system
- macOS 10.12.4*
- Processor alternatives
- 2.0Ghz Intel Core i5*
- Memory
- 8 GB RAM*
- Graphics alternatives
- 1GB Nvidia 650, 2GB AMD Radeon M290, Intel Iris Pro or better (see notes for more details)*
- Storage
- 30 GB available space*
- Conditions
- The game is supported on the following Macs. To check your Mac model and when it was released, select About This Mac from the Apple Menu on your desktop: * Most 21’5” iMacs released since Late 2013 (see 1) * All 27” iMacs released since Late 2013 (see 2) * All 13” Retina MacBook Pros released since 2016 * All 15” Retina MacBook Pros released since Mid 2012 * All Mac Pros released since Late 2013 (1) Check your CPU meets the minimum requirement (2) Late 2012 models with Nvidia 675 or Nvidia 680 graphics are also supported. ——— The following Macs are capable of running the game but do not consistently meet the standards required for official support. * All 21’5” iMacs released since Early 2013 * All 13” Retina MacBook Pros released since Mid 2012. ——— Multiplayer is compatible between Mac and Linux versions only*
- Linux · Minimum*
- Operating system
- Ubuntu 16.04 64-bit, SteamOS 2.0*
- Processor alternatives
- 3.40 GHz Intel Core i3-4130*
- Memory
- 8 GB RAM*
- Graphics alternatives
- 1GB Nvidia 650Ti 1GB (Driver version 375.66 tested)*
- Storage
- 30 GB available space*
- Conditions
- Quad physical core i5 or equivalent recommended for 3vs3 multiplayer. Game requires Internet connection for play and progression.*
- Windows · Recommended*
- Graphics alternatives
- NVIDIA GeForce 770 or AMD Radeon 7970 or equivalent DirectX 11 card*
- Memory
- 8 GB*
- Processor alternatives
- 3GHz i5 quad core or equivalent*
- Windows · Recommended memory · 2026-06-27*
- Memory
- 8 GB*
- Video memory
- 2 GB*
Steam version platforms
- Windows*
- Supported
- Yes*
- macOS*
- Supported
- Yes*
- Linux*
- Supported
- Yes*
Interface languages
- English*
- Full audio
- Yes*
- French*
- Italian*
- German*
- Spanish - Spain*
- Korean*
- Polish*
- Portuguese - Brazil*
- Russian*
- Turkish*
- Czech*
- Simplified Chinese*
- Traditional Chinese*
Audio languages
- English*
- Traditional Chinese*
Game features
- Single-player*
- Multi-player*
- PvP*
- Online PvP*
- Steam Achievements*
- Steam Trading Cards*
- Steam Workshop*
- Steam Cloud*
- Stats*
- Includes level editor*
- Family Sharing*
Store genres
- Action*
- Simulation*
- Strategy*
Screenshots
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* Provisional data